Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 300mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke300 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10
The AirTAC SAIJ80X300-10 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 2513N of push force at 0.5 MPa and provides a usable travel window of 290 to 300 mm, letting you dial back the nominal stroke by up to 10 mm during commissioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
This 80mm bore unit uses a G3/8 port and a 25mm carbon steel rod with an M20x1.5 thread, offering robust side-load resistance for heavy handling. The rear adjuster acts purely as a mechanical stop to set the retract end-position precisely, meaning it is not a lock and will not hold a load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 300 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×300 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10 Is Used
Machine Changeover
Quickly dial in the 290-300mm retract position by up to 10mm when switching product sizes on a packaging line, eliminating the need to physically swap cylinders.
End-Stop Tuning
Fine-tune the final resting position of a heavy 2513N press or lifting fixture during commissioning without adding external mechanical stops.
Material Handling
Drive heavy pallets or workpieces with the robust 25mm carbon steel rod, relying on the adjustable rear stopper to perfect the transfer distance.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10 the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI when your machine setup requires precise end-position tuning or frequent product changeovers that demand slightly variable end stops. If your application needs less force, stepping down to a 63mm bore yields 1559N at 0.5 MPa; stepping up to a 100mm bore provides 3927N. For load-holding without continuous air pressure, consider an external rod lock, or switch to the SAIL or BSAI cylinder series.
Because this cylinder features a 300mm stroke, the extended 25mm rod is subject to leverage forces under side loads, so an external guide rail is recommended to prevent premature wear. To match this ISO 15552 footprint exactly, specify an 80mm bore, 300mm stroke, 10mm adjustment, PT tapered port thread, and your required mounting bracket from the SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder generates 2513N of push force and 2268N of pull force. It operates at speeds between 30 and 800 mm/s.
The rear adjuster screw lets you mechanically shorten the effective stroke from 300mm down to 290mm. It functions strictly as a travel stop to fine-tune the end position, not as a lock, and does not hold the load without live air pressure.
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